Table 1.

List of articles reviewed in this study and the study characteristics.

Author and Year	Study Type and Design	Sample Population; Age Range	rAD-p53 Alone or with Other
Li et al., 2009 [24]	Oral lichen planus (OLP), RCT, Phase I, Blinding not defined	22; 35–74; Male (M) and Female (F)	rAD-p53 alone
Liu et al., 2013 [25]	Oral cancer, RCT, Phase II	107; 27–80; M and F	radical resection followed by radiotherapy and rAD-p53
Li et al., 2014 [26]	Oral cancer; RCT, double-blinded, Phase III	99; mean age around 57; M and F	rAD-p53 and chemotherapy